Zoe E. Kiefer, MD, MPH
Obstetrics & Gynecology Physician · Boston, MA
Zoe E. Kiefer, MD, MPH is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1871888180, issued on Jun 14, 2011. Check the license (Massachusetts 262700, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zoe E. Kiefer
- Credential
- MD, MPH
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 262700 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-2229
- Enumerated
- Jun 14, 2011
- Record last updated
- Nov 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20150813010445); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Zoe E. Kiefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 262700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
59 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Pratt Ob/gyn Associates, IncBoston, MA
- South Boston Community Health CenterSouth Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zoe E. Kiefer among 1,127 obstetrics & gynecology physician records in Massachusetts
Zoe E. Kiefer, MD, MPH is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 2004 among the 715 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Abeer Al-Naqbi, M.D.Boston, MA 021111043426919
- Laura Baecher-Lind, MD, MPHBoston, MA 021111609096684
- Craig Champion, D.O.Boston, MA 021111629251749
- Lucy Chie, M.D.Boston, MA 021111881709772
- Janet Chollet, M.D.Boston, MA 021111003875659
- Jennifer Daman, M.D.Boston, MA 021111891888970
- Alissa Dangel, MDBoston, MA 021111235353475
- Edward Evantash, M.D.Boston, MA 021111386737468
Common questions
What is Zoe E. Kiefer, MD, MPH's NPI number?
Zoe E. Kiefer, MD, MPH's National Provider Identifier (NPI) is 1871888180, issued on Jun 14, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Zoe E. Kiefer, MD, MPH located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-2229. Providers update this record themselves, so call before visiting.
How can I verify Zoe E. Kiefer, MD, MPH's license?
NPPES lists Massachusetts license number 262700, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zoe E. Kiefer, MD, MPH prescribe under Medicare Part D?
In 2024, Zoe E. Kiefer, MD, MPH had 59 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.